Javascript輸入漢字自動轉換為首字母的拼音碼

<script language="javascript" type="text/javascript">
function getPYCode(str) {
    var result = "";
    for (var i = 0; i < str.length; i++) {
        result += getPY(str.charAt(i).toString())
    }
    document.getElementById("lblResult").innerHTML = result
}
function getPY(s) {
    if (s != "") {
        execScript("tmp=asc(\"" + s + "\")", "vbscript");
        tmp = 65536 + tmp;
        var py = "";
        if (tmp >= 45217 && tmp <= 45252) {
            py = "A"
        } else if (tmp >= 45253 && tmp <= 45760) {
            py = "B"
        } else if (tmp >= 45761 && tmp <= 46317) {
            py = "C"
        } else if (tmp >= 46318 && tmp <= 46825) {
            py = "D"
        } else if (tmp >= 46826 && tmp <= 47009) {
            py = "E"
        } else if (tmp >= 47010 && tmp <= 47296) {
            py = "F"
        } else if ((tmp >= 47297 && tmp <= 47613) || (tmp == 63193)) {
            py = "G"
        } else if (tmp >= 47614 && tmp <= 48118) {
            py = "H"
        } else if (tmp >= 48119 && tmp <= 49061) {
            py = "J"
        } else if (tmp >= 49062 && tmp <= 49323) {
            py = "K"
        } else if (tmp >= 49324 && tmp <= 49895) {
            py = "L"
        } else if (tmp >= 49896 && tmp <= 50370) {
            py = "M"
        } else if (tmp >= 50371 && tmp <= 50613) {
            py = "N"
        } else if (tmp >= 50614 && tmp <= 50621) {
            py = "O"
        } else if (tmp >= 50622 && tmp <= 50905) {
            py = "P"
        } else if (tmp >= 50906 && tmp <= 51386) {
            py = "Q"
        } else if (tmp >= 51387 && tmp <= 51445) {
            py = "R"
        } else if (tmp >= 51446 && tmp <= 52217) {
            py = "S"
        } else if (tmp >= 52218 && tmp <= 52697) {
            py = "T"
        } else if (tmp >= 52698 && tmp <= 52979) {
            py = "W"
        } else if (tmp >= 52980 && tmp <= 53688) {
            py = "X"
        } else if (tmp >= 53689 && tmp <= 54480) {
            py = "Y"
        } else if (tmp >= 54481 && tmp <= 62289) {
            py = "Z"
        } else {
            py = s.charAt(0)
        }
        return py
    }
}
</script>  

HTML: <input type="text" onkeydown="getPYCode(this.value)" onkeyup="getPYCode(this.value)" />

<label id="lblResult" style="color:Red"></label>

Javascript輸入漢字自動轉換為首字母的拼音碼本篇文章來源於深山行者個人網站 http://www.qwbm.com 原文出處：http://www.qwbm.com/new.asp?id=534